OT-2026-000071803
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000071803) never changes.
Identity and time
| Publication number | OT-2026-000071803 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e92-7800-9077-0660f605d98c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071803 |
| Status | PUBLIC |
Content hashes
| Canonical text | 96bf65fc12d1728438b66de9a3e81769f7d65ac5f92799c70e3de67116acbee7 |
|---|---|
| Markdown | e02e27e92410309deb7e6e64720c95e964e690de97edc4f40d78e6b656fb6f0b |
| Publication page | 80a887b740375fb638a700a144d0c99dff714a9e629c7afdfa23dd236c1b4108 |
| Manifest | 9ea4cd0908ef79adcf7f241e6cf571ba1fecd9b211e7efb68e2e7a58ab0a5967 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | KquJ2UTk1PnntlRERa9AolcEOEjaW26AE42uHjU1Sn2wuRu44kc56mA7flVkW1+w1XFEijwe2OvdMmIJBKgIDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:58.439015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071803observed 80a887b740375fb638a700a144d0c99d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:58.423552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071803/manifest.jsonobserved 9ea4cd0908ef79adcf7f241e6cf571ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:58.407150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071803/publication.mdobserved e02e27e92410309deb7e6e64720c95e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:58.389712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071803/publication.txtobserved 96bf65fc12d1728438b66de9a3e81769...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|